'+ point.series.name +':'+ '$' + point.y.toFixed(1) +'B'; }); return s; }, shared: true, crosshairs: true }, }; $.getJSON('http://adage.com/scripts/edit/data/tv-internet-spend.json', null, function(data) { // the categories options.xAxis.categories = []; $.each(data, function(i) { options.xAxis.categories.push(this.Years); }); // the data series options.series = [{ data: [], marker: { symbol: 'circle' }, name: 'TV Spending', zIndex: 1, type: 'line' }, { data: [], marker: { symbol: 'circle' }, name: 'Internet Spending', zIndex: 2, type: 'line' }]; //put in tv spend $.each(data, function(k) { pointArray = []; pointArray.push(this.Years); pointArray.push(parseFloat(this.TVSpend)); options.series[0].data.push(pointArray); //alert(options.series[1].name); }); //put in internet spend $.each(data, function(j) { pointArray = []; pointArray.push(this.Years); pointArray.push(parseFloat(this.InternetSpend)); options.series[1].data.push(pointArray); }); var chart = new Highcharts.Chart(options); }); });

TV is the biggest ad medium, but digital ad spending is moving up fast. TV networks and stations are vying for a share of digital dollars by extending their media brands to the internet and mobile.

Want to know how much time households spend watching TV? What the tube's share of domestic advertising is? We've got the charts to tell the story. And for more TV-advertising-related analysis, check out this week's "TV Issue" and keep up with daily news on Mediaworks.